RUIZ LOPEZ, H. R.; CORREA SOTO, S. R.; LEÓN LÓPEZ, P. . Impact of Covid-19 on sales revenues of private companies in Ecuador. Journal of business and entrepreneurial studie, [S. l.], v. 6, n. 2, 2022. DOI: 10.37956/jbes.v6i2.285. Disponível em: https://www.journalbusinesses.com/index.php/revista/article/view/285. Acesso em: 17 aug. 2026.